Adjusting detent cable
Thread Starter
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Joined: Apr 2005
Posts: 82
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Adjusting detent cable
81 350, Car will not down shift. I put a new modulator on trans, vacuum off manifold, and adjusted cable. When adjusting cable I pushed the button in and pushed the slide all the way in. Hooked it back to the carb and got in car and depressed gas pedal. It slid out about one click and seems to be very tight. So tight that the bracket flexs. The modulator that I put on is adjustable but I did not turn it. It dosnt seem to be down shifting at all when you gas on it. Up shifts fine other from that.
Burning Brakes
Joined: Oct 2003
Posts: 1,097
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From: Olive Branch MS
St. Jude Contributor
Not sure if I understand how you did yours but when I installed mine I pulled the button out on the cable with it hooked to accelerator, moved accelerator to WOT and pushed the button back in at that point. These were the instruction on the box. Mine downshifts all the way to first gear now when I nail it. Not sure if it should go to first or just to second but it does get up and move then. 
Instructor
Joined: Sep 2003
Posts: 150
Likes: 0
From: Pecatonica IL
Have you changed you carb/bracket set-up? I had this problem when I changed mine, and it turned out the throttle cable wasn't adjusted right. It wasn't opening up the carb all the way. Just a thought.
